<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<table width="400" border="1" >
    <thead>
    <tr>
        <th>编号</th>
        <th>商品名</th>
        <th>商品类型</th>
        <th>市场价</th>
        <th>进货价</th>
    </tr>
    </thead>
    <tbody>
    <tr>
        <th>电子产品1-1</th>
        <th>Dell笔记本</th>
        <th rowspan="3">电子产品</th>
        <th>5399</th>
        <th>4000</th>
    </tr>
    <tr>
        <th>电子产品2-3</th>
        <th>小米笔记本</th>
        <th colspan="2">588</th>
    </tr>
    <tr>
        <th>电子产品5-6</th>
        <th>苹果机</th>
        <th>6999</th>
        <th>5600</th>
    </tr>
    </tbody>
</table>

</body>
</html>